CN202049254U - Light guide plate structure with laser inside-carving structures - Google Patents
Light guide plate structure with laser inside-carving structures Download PDFInfo
- Publication number
- CN202049254U CN202049254U CN2011200941859U CN201120094185U CN202049254U CN 202049254 U CN202049254 U CN 202049254U CN 2011200941859 U CN2011200941859 U CN 2011200941859U CN 201120094185 U CN201120094185 U CN 201120094185U CN 202049254 U CN202049254 U CN 202049254U
- Authority
- CN
- China
- Prior art keywords
- carving
- conducting plate
- plate structure
- light conducting
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model provides a light guide plate structure (16 and 36) with laser inside-carving structures, which comprises a body part (161), a light outlet surface (16B and 26B), a bottom surface (16C and 26C) and at least one light inlet surface (16A, 26A, 46A and 56A), wherein the light inlet surface (16A, 26A, 46A and 56A) is positioned at the side edge of the body part (161), the light outlet surface (16B and 26B) and the bottom surface (16C and 26C) are positioned at two opposite sides of the body part (161), and the body part (161) comprises a plurality of inside-carving structures (162, 262, 362, 462, 562 and 662) which are arranged in adjacent to the light inlet surfaces (16A, 26A, 46A and 56A). The light guide plate structure does not have the production batch limitation, in addition, the manufacture cost is low, and the alternately dark and bright hot spot phenomenon can also be eliminated.
Description
Technical field
The utility model is about a kind of light conducting plate structure, particularly about a kind of light conducting plate structure with body laser inner carving.
Background technology
In recent years, traditional cathode-ray tube display (CRT monitor that promptly is commonly called as) is replaced by LCD gradually, main cause is that the radiant quantity that LCD discharges is far smaller than CRT monitor, in addition, LCD is in the existing reduction significantly of this manufacturing cost in several years, and this also is the reason that LCD becomes the main flow in TV or computer screen market gradually.
In general, LCD comprises backlight module and liquid crystal panel two large divisions, and in the product or mobile computer of small-size screen, based on weight reduction, reduce the consideration of thickness, generally speaking all with " side light type back light module " as main application.In side light type back light module, the structure of lamp source and light guide plate and configuration then are of paramount importance subjects under discussion; Because therefore light guide plate causes " the Hot Spot phenomenon " that is commonly called as easily propagating, when the emitted light in guiding lamp source is advanced, and can't eliminating light and dark situation fully, the visual experience when having a strong impact on the user and watching image.
Traditionally, in order to reduce the shortcoming of Hot Spot phenomenon, the dealer sees through the lip-deep microstructure of light guide plate, reaches the purpose of mixed light, diffusion light exactly by the blooming piece (diffusion barrier that for example is commonly called as) that adds.Therefore and be not suitable for the production of short run yet the light guide plate of differently contoured microstructure just needs the different mould of exploitation.The blooming piece that adds then need additionally be paid the purchase cost more than 30% up to whole backlight module, and is not very good.
Summary of the invention
The utility model fundamental purpose makes side light type back light module be fit to small serial production in the shortcoming that solves side light type back light module, and makes light conducting plate structure itself can reach the effect of light diffusion, mixed light.
In order to reach above-mentioned purpose, the utility model provides a kind of light conducting plate structure with body laser inner carving, light conducting plate structure includes a body, an exiting surface, a bottom surface and at least one incidence surface, body is a platy structure, incidence surface is positioned at the body side, and exiting surface and bottom surface lay respectively at the corresponding two sides of body, and body includes a plurality of interior carving structures, carving structure is positioned within the body in these, and contiguous incidence surface setting.
The light conducting plate structure that has body laser inner carving as mentioned above, wherein, interior carving structure is the major axis shape, axially parallel exiting surface, bottom surface or the incidence surface of interior carving structure, perhaps, axially vertical exiting surface, bottom surface or the incidence surface of interior carving structure.
The light conducting plate structure that has body laser inner carving as mentioned above, wherein, interior carving structure is the major axis shape, a plurality of interior axially being set in parallel mutually of structures of carving.
The light conducting plate structure that has body laser inner carving as mentioned above, wherein, interior carving structure is the major axis shape, and a plurality of interior carving structures are side by side on a plane.
The light conducting plate structure that has body laser inner carving as mentioned above, wherein, the cross section of interior carving structure is U type or V-type.
The light conducting plate structure that has body laser inner carving as mentioned above, wherein, the carving organization definition is a structure group in a plurality of, a plurality of structure group is periodically repeated arrangement setting, when light conducting plate structure is installed on a backlight module, each lamp source is all corresponding with a structure group, and a plurality of interior carving structure in the structure group is radial arrangement or is parallel shape mutually arranges.
Light conducting plate structure with body laser inner carving described in the utility model need not die sinking, so there is not the restriction of production lot; And, body laser inner carving with low cost, the light conducting plate structure with body laser inner carving is arranged in pairs or groups and is adopted the diffusion barrier of lower grade, can reach the diffusion effect of high-order product, eliminates light and dark " Hot Spot phenomenon ".
For making purpose, feature and the effect of being familiar with this skill personage and understanding the utility model, now by following specific embodiment, and cooperate appended graphic, to the utility model illustrate in detail as after.
Description of drawings
Fig. 1 is used in the application synoptic diagram of side light type back light module for the light conducting plate structure of the utility model first embodiment.
Fig. 2 is the stereographic map of the light conducting plate structure of the utility model first embodiment.
Fig. 3 is the vertical view of the light conducting plate structure of the utility model first embodiment.
Fig. 4 is the synoptic diagram of the light conducting plate structure of the utility model second embodiment.
Fig. 5 is the synoptic diagram of the light conducting plate structure of the utility model the 3rd embodiment.
Fig. 6 is the synoptic diagram of the light conducting plate structure of the utility model the 4th embodiment.
Fig. 7 is the synoptic diagram of the light conducting plate structure of the utility model the 5th embodiment.
Fig. 8 is the synoptic diagram of the light conducting plate structure of the utility model the 6th embodiment.
Label declaration:
1: side light type back light module
11: brightness enhancement film
12: diffusion barrier
13: reflection diaphragm
14,24,34,44,54,64: the lamp source
15: lampshade
16,36: light conducting plate structure
16A, 26A, 46A, 56A: incidence surface
16B, 26B: exiting surface
16C, 26C: bottom surface
161: body
162,262,362,462,562,662: interior carving structure
360,460,560,660: structure group.
Embodiment
Consult Fig. 1, Fig. 1 is used in the application synoptic diagram of side light type back light module for the light conducting plate structure of the utility model first embodiment.As shown in Figure 1, side light type back light module 1 includes a brightness enhancement film 11, a diffusion barrier 12, a light conducting plate structure 16, a reflection diaphragm 13, two lamp sources 14 and two lampshades 15.This light conducting plate structure 16 includes and has only schematically identified one of them among a body 161, an exiting surface 16B, a bottom surface 16C and the two incidence surface 16A(figure).Body 161 is a platy structure, and incidence surface 16A is positioned at the limit, the left and right sides of body 161, and exiting surface 16B and bottom surface 16C lay respectively at the corresponding two sides up and down of body 161.Brightness enhancement film 11, diffusion barrier 12, light conducting plate structure 16 and reflection diaphragm 13 are from top to bottom arranged in regular turn.Two lamp sources 14 and two lampshades 15 be arranged at respectively light conducting plate structure 16 about two outer side edges, that is to say, each lamp source 14 and lampshade 15 all correspond to an incidence surface 16A, and lamp source 14 emitted light can directly be incident within the body 161 of this light conducting plate structure 16 by incidence surface 16A.When light is penetrated respectively in two lamp sources 14, light by light conducting plate structure 16 about two outer side edges enter to the inside of light conducting plate structure 16, then by 161 pairs of light transmission of body, guiding, light can be penetrated by exiting surface 16B, utilize the mixed light of diffusion barrier 12, the convergence of 11 pairs of light of brightness enhancement film to focus on again, can make side light type back light module 1 have preferable luminance uniformity, and on the bright dipping visual angle, have bigger light intensity.In addition, reflection diaphragm 13 enters within the body 161 it once again, and then promotes the utilization factor of luminous energy in order to will penetrate the light reflection of light conducting plate structure 16 belows, and is excessive to avoid optical loss.In the present embodiment, lamp source 14 be cathode fluorescent tube (Cold Cathode Fluorescent Lamp, CCFL).
In order to improve light and dark " Hot Spot phenomenon " at present, perhaps in order to make the enhancing efficiency of light diffusion, the utility model the inside of body 161 be provided with a plurality of in carving structure 162, carving structures 162 are positioned within the body 161 in these, and contiguous incidence surface 16A is provided with.As shown in Figure 1, interior carving structure 162 is the major axis shape, and the axially parallel of interior carving structure 162 is in exiting surface 16B and bottom surface 16C, and simultaneously vertical incidence surface 16A.Consult Fig. 2, Fig. 2 is the stereographic map of the light conducting plate structure of the utility model first embodiment.Wherein, the axially parallel setting of a plurality of interior carving structures 162, and side by side on a plane.Look into from incidence surface 16A sight, cross section of carving structure 162 all is the U type in each, and should interiorly carve the U type opening of structure 162 towards exiting surface 16B (being the top of Fig. 2).Certainly, in other embodiments, a plurality of in the U type opening of carving structures 162 also can perhaps be crisscross arranged one on the other towards bottom surface 16C (promptly towards Fig. 2 below).Consult Fig. 3, Fig. 3 is the vertical view of the light conducting plate structure of the utility model first embodiment.Wherein, carving structures 162 displays side by side and are close to lamp source 14 and are provided with in a plurality of, therefore, when lamp source 14 emitted light enter this body 161, can be destroyed its course by interior carving structure 162 at once, and then produce the effect of mixed light, optics diffusion, therefore traditional light conducting plate structure incidental light and dark " Hot Spot phenomenon " has not promptly existed.In preferred embodiment, interior carving structure 162 sees through the mode of body laser inner carving, and produces very trickle hole in body 161, so interior carving structure 162 only can produce the effect that changes the light course, and can't light-absorbing energy.Therefore, light conducting plate structure 16 of the present utility model can utilize the mode of body laser inner carving, and in body 161, produce a plurality of in carving structure 162, to reach the effect that optics spreads.Come again, because body laser inner carving need not die sinking, so there is not the restriction of production lot; And body laser inner carving is with low cost, and the light conducting plate structure 16 with body laser inner carving is arranged in pairs or groups and adopted the diffusion barrier 12 of lower grade, can reach the diffusion effect of high-order product.If design is proper, the effect of body laser inner carving enough well, even the setting that can omit diffusion barrier 12 fully further reduces the manufacturing cost of side light type back light module 1, and is very practical and convenient.
The utility model also has other embodiment.Consult Fig. 4, Fig. 4 is the synoptic diagram of the light conducting plate structure of the utility model second embodiment.As shown in Figure 2, interior carving structure 262 is the major axis shape, and its axially parallel incidence surface 26A, exiting surface 26B and bottom surface 26C, and a plurality of in the carving structures 262 axially be set in parallel mutually and side by side on a plane.The cross section of the interior carving structure 262 of present embodiment is V-shaped, and the opening of V-type is all towards exiting surface 26B (being the top of Fig. 4).Come, the lamp source 24 of present embodiment is that (Light Emitted Diode, LED), and carving structure 262 is contiguous and corresponding with lamp source 24 in a plurality of, with the efficient maximization with its optics diffusion for light emitting diode again.
Consult Fig. 5, Fig. 5 is the synoptic diagram of the light conducting plate structure of the utility model the 3rd embodiment.As shown in Figure 5, interior carving structure 362 is the major axis shape, and carving structure 362 is defined as a structure group 360 in a plurality of, and a plurality of structure group 360 is periodically repeated arrangement setting.When light conducting plate structure 36 is installed on a side light type back light module (not indicating among the figure), each lamp source 34 is all contiguous and corresponding with a structure group 360, and in a plurality of in the structure group 360 carving structure 362 its axially be radial arrangement, with efficient maximization with its optics diffusion.
Consult Fig. 6, Fig. 6 is the synoptic diagram of the light conducting plate structure of the utility model the 4th embodiment.As shown in Figure 6, interior carving structure 462 is the major axis shape, and a plurality of structure group 460 is periodically repeated arrangement setting, and carving structures 462 all are parallel shape mutually and arrange in a plurality of in each structure group 460.Each lamp source 44 is all contiguous and corresponding with a structure group 460, and the structure group 460 in contiguous lamp source 44, the axially vertical incidence surface 46A of carving structure 462 in it, the structure group 460 between two lamp sources 44, axially parallel of carving structure 462 is in incidence surface 46A in it.
See also Fig. 7, Fig. 7 is the synoptic diagram of the light conducting plate structure of the utility model the 5th embodiment.As shown in Figure 7, a plurality of interior carving structure 562 in each structure group 560 is the parallel shape arrangement mutually.Each lamp source 54 is all contiguous and corresponding with a structure group 560, and the structure group 560 in contiguous lamp source 54, axially parallel of carving structure 562 is in incidence surface 56A in it, the structure group 560 between two lamp sources 54, and carving structure 562 is axially perpendicular to incidence surface 56A in it.
See also Fig. 8, Fig. 8 is the synoptic diagram of the light conducting plate structure of the utility model the 5th embodiment.As shown in Figure 8, each lamp source 64 is all contiguous and corresponding with a structure group 660, and each structure group 660 is also contiguous and corresponding with a lamp source 64, axially being level successively, vertically being staggered of the interior carving structure 662 of a plurality of structure group 660.
In sum, the utlity model has the light conducting plate structure of body laser inner carving, need not die sinking, so there is not the restriction of production lot; And body laser inner carving is with low cost, and the light conducting plate structure with body laser inner carving is arranged in pairs or groups and adopted the diffusion barrier of lower grade, can reach the diffusion effect of high-order product, eliminates light and dark " Hot Spot phenomenon ".Even the side light type back light module of its application can omit the setting of diffusion barrier fully, and is in order to reduce the manufacturing cost of this side light type back light module, very practical and convenient.
Though the utility model discloses as above with specific embodiment; right its disclosed specific embodiment is not in order to limit the utility model; anyly be familiar with this skill person; in the spirit and scope that do not break away from the utility model; when doing various changes and retouching; its change done and retouching all belong to the category of the utility model, and the protection domain of the utility model the claim person of defining after looking attached be as the criterion.
Claims (9)
1. light conducting plate structure with body laser inner carving, described light conducting plate structure (16,36) include a body (161), an exiting surface (16B, 26B), a bottom surface (16C, 26C) and at least one incidence surface (16A, 26A, 46A, 56A), described body (161) is a platy structure, described incidence surface (16A, 26A, 46A, 56A) be positioned at described body (161) side, and described exiting surface (16B, 26B) and described bottom surface (16C, 26C) lay respectively at the corresponding two sides of described body (161), it is characterized in that:
Described body (161) includes a plurality of interior carving structures (162,262,362,462,562,662), carving structure (162,262,362,462,562 in more described, 662) be positioned within the described body (161), and contiguous described incidence surface (16A, 26A, 46A, 56A) setting.
2. the light conducting plate structure that has body laser inner carving according to claim 1, wherein, described interior carving structure (162,262,362,462,562,662) is the major axis shape.
3. as having the light conducting plate structure of body laser inner carving as described in the claim 2, wherein, described in carving structure (162,262,462,562,662) axially parallel in described exiting surface (16B, 26B), described bottom surface (16C, 26C) or described incidence surface (16A, 26A, 46A, 56A), carve the described exiting surface (16B that is axially perpendicular to of structure (462,562,662) in perhaps described, 26B), described bottom surface (16C, 26C) or described incidence surface (46A, 56A).
4. as having the light conducting plate structure of body laser inner carving as described in the claim 2, wherein, a plurality of in axially being set in parallel mutually of carving structure (162,262,462,562,662).
5. as having the light conducting plate structure of body laser inner carving as described in the claim 2, wherein, a plurality of in carving structures (162,262,362,462,562,662) side by side on a plane.
6. the light conducting plate structure that has body laser inner carving according to claim 1, wherein, the cross section of described interior carving structure (162,262) is U type or V-type.
7. the light conducting plate structure that has body laser inner carving according to claim 1, wherein, a plurality of interior carving structures (362,462,562,662) be defined as a structure group (360,460,560,660), a plurality of structure groups (360,460,560,660) are periodically repeated arrangement setting.
8. as having the light conducting plate structure of body laser inner carving as described in the claim 7, wherein, when described light conducting plate structure was installed on a backlight module, each lamp source (34,64) was all corresponding with a structure group (360,660).
9. as having the light conducting plate structure of body laser inner carving as described in the claim 8, wherein, carving structures (362,662) are radial arrangement or are parallel shape mutually and arrange in a plurality of in the described structure group (360,660).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200941859U CN202049254U (en) | 2011-04-01 | 2011-04-01 | Light guide plate structure with laser inside-carving structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200941859U CN202049254U (en) | 2011-04-01 | 2011-04-01 | Light guide plate structure with laser inside-carving structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202049254U true CN202049254U (en) | 2011-11-23 |
Family
ID=44989559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200941859U Expired - Fee Related CN202049254U (en) | 2011-04-01 | 2011-04-01 | Light guide plate structure with laser inside-carving structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202049254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105940323A (en) * | 2014-01-29 | 2016-09-14 | 康宁公司 | Laser featured glass for display illumination |
-
2011
- 2011-04-01 CN CN2011200941859U patent/CN202049254U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105940323A (en) * | 2014-01-29 | 2016-09-14 | 康宁公司 | Laser featured glass for display illumination |
| US10288792B2 (en) | 2014-01-29 | 2019-05-14 | Corning Incorporated | Laser featured glass for display illumination |
| CN105940323B (en) * | 2014-01-29 | 2019-07-12 | 康宁公司 | Laser feature glass for display illumination |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202629814U (en) | Lateral backlight module | |
| CN202048503U (en) | LED (Light-Emitting Diode) backlight module diffusion board | |
| CN201521863U (en) | Backlight module and light guide plate thereof | |
| CN104781603B (en) | Light supply apparatus | |
| CN101498810B (en) | Light conducting plate and backlight module employing the same | |
| CN100590466C (en) | Light conductive board and the backlight module possessing same | |
| US20130128189A1 (en) | Backlight Module and Liquid Crystal Display Device | |
| CN103278873B (en) | Colorful filter structure and with the display panels of this colorful filter structure | |
| CN102128398A (en) | Backlight module and liquid crystal display device | |
| CN101520522B (en) | Integrated brightening diffusion sheet | |
| CN111727403B (en) | Direct type backlight source, manufacturing method thereof and display device | |
| CN101526692A (en) | Side-light type back light | |
| CN205427225U (en) | Formula backlight unit is gone into to side of low -power consumption and liquid crystal display thereof | |
| CN201606740U (en) | LED side backlight module, LCD (liquid crystal display) device and LCD TV | |
| CN207380278U (en) | A kind of LED backlight structure | |
| KR101070686B1 (en) | Composite Sheet for LCD, and Backlight Unit Using The Same | |
| TWM409450U (en) | Light guide plate with inner laser engraving | |
| CN205880445U (en) | Back light module and liquid crystal display device | |
| CN102472845B (en) | Condensing type optical sheet | |
| CN202049254U (en) | Light guide plate structure with laser inside-carving structures | |
| CN202267753U (en) | Structure of light enhancement piece | |
| CN202675079U (en) | Edge-type light emitting diode (LED) backlight module | |
| CN201054057Y (en) | Direct type high brightness backlight | |
| CN202049255U (en) | Light guide plate structure and lateral light type back light module thereof | |
| CN101281272A (en) | Light guide plate, back light source as well as LCD |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20130401 |